The cetane rating of diesel fuel is an indication of the （）

To proceed to the assistance of a ship in distress is（）

For a given exhaust gas boiler, what is the quantity of its evaporation mainly determined?（）

“Insufficiency of manning or insufficiency of certification of seafarers” is an identification of a（）

One of the reasons that cause oil flowed from sludge outlet of a self-cleaning separator is（）

During the diesel engine running, the water level of F.W expansion tank should normally kept in the （） level of glass tube.

Cold weather starting of a diesel engine may be made easier by（）

By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）

Diesel engine air start system check valves are opened by （）

Which of the diesel engine components listed increase air density and helps to improve engine operating efficiency?（）